↳ GitHub sourceAnalytics ruleHigh

Tenable.ad Password Guessing

Description

'Searches for bruteforce Password Guessing attacks.'
Rule type
Scheduled
Version
1.0.1
Query frequency
2h
Query period
2h
Trigger
gt 0

Declared MITRE coverage

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

Data types

KQL query

Original query, unchanged.

// For the query to work properly, make sure you have imported the afad_parser.kql parser into the workspace
// Retrieve the parser here: https://raw.githubusercontent.com/tenable/Azure-Sentinel/Tenable.ad-connector/Solutions/TenableAD/Parsers/afad_parser.kql
// Then, create the Kusto Function with alias afad_parser
afad_parser
  | where MessageType == 2 and Codename == "Password Guessing"
  | extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))

Declared entities

Host

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
44d74560-0cd1-4e73-a8f5-d16eeeba219e
Additional source files 1Solutions/TenableAD/Analytic Rules/TenableAdPasswordGuessing.yamlsource ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.